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2022 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

Planting Calendar for New Castle, DE

For the Almanac's fall and spring planting calendars, we've calculated the best time to start seeds indoors, when to transplant young plants outside, and when to direct seed into the ground.

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Planting Dates for Spring

On average, your last spring frost occurs on April 12 (at WILMINGTON NEW CASTLE CO AP, DE climate station, elevation 78 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
BasilFrost Feb 14-28
Moon Feb 20-28
Frost Apr 12-May 3
Moon Apr 19-May 3
N/A
BeetsN/AN/AFrost Mar 29-Apr 19
Moon Apr 6-18
Bell PeppersFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost Apr 19-May 3
Moon Apr 19-May 3
N/A
BroccoliFrost Feb 14-28
Moon Feb 20-28
Frost Mar 15-Apr 5
Moon Mar 21-Apr 5
N/A
CabbageFrost Feb 14-28
Moon Feb 20-28
Frost Mar 15-29
Moon Mar 21-29
N/A
CantaloupesFrost Mar 15-22
Moon Mar 21-22
Frost Apr 26-May 10
Moon Apr 26-May 5
N/A
CarrotsN/AN/AFrost Mar 7-22
Moon Mar 8-20
CauliflowerFrost Feb 14-28
Moon Feb 20-28
Frost Mar 15-Apr 5
Moon Mar 21-Apr 5
N/A
CeleryFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost Apr 19-May 3
Moon Apr 19-May 3
N/A
ChivesN/AN/AFrost Mar 15-22
Moon Mar 21-22
Cilantro (Coriander)N/AN/AFrost Apr 12-26
Moon Apr 19-26
CornN/AN/AFrost Apr 26-May 17
Moon Apr 26-May 5
CucumbersFrost Mar 15-22
Moon Mar 21-22
Frost Apr 26-May 10
Moon Apr 26-May 5
N/A
DillN/AN/AFrost Apr 12-May 17
Moon Apr 19-May 5
EggplantsFrost Feb 14-28
Moon Feb 20-28
Frost Apr 26-May 10
Moon Apr 26-May 5
N/A
Fava Beans (Broad Beans)Frost Jan 17-31
Moon Jan 21-31
Frost Feb 21-Mar 15
Moon Feb 21-Mar 7
N/A
Green BeansN/AN/AFrost Apr 19-May 10
Moon Apr 19-May 5
Jalapeño PeppersFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost Apr 19-May 3
Moon Apr 19-May 3
N/A
KaleFrost Feb 14-28
Moon Feb 20-28
Frost Mar 15-Apr 5
Moon Mar 21-Apr 5
N/A
KohlrabiFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Mar 22-29
Moon Mar 22-29
N/A
LettuceFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Mar 29-Apr 26
Moon Mar 29-Apr 5, Apr 19-26
N/A
OkraN/AN/AFrost Apr 26-May 10
Moon Apr 26-May 5
OnionsN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-20
OreganoFrost Jan 31-Feb 28
Moon Jan 31-Feb 5, Feb 20-28
Frost Apr 12-May 3
Moon Apr 19-May 3
N/A
ParsleyN/AN/AFrost Mar 15-29
Moon Mar 21-29
ParsnipsN/AN/AFrost Mar 22-Apr 12
Moon Apr 6-12
PeasN/AN/AFrost Feb 28-Mar 22
Moon Feb 28-Mar 7, Mar 21-22
PotatoesN/AN/AFrost Apr 5-26
Moon Apr 6-18
PumpkinsFrost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Apr 26-May 10
Moon Apr 26-May 5
N/A
RadishesN/AN/AFrost Feb 14-Mar 7
Moon Feb 14-19
RosemaryFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost Apr 19-May 10
Moon Apr 19-May 5
N/A
SageFrost Feb 14-28
Moon Feb 20-28
Frost Apr 12-26
Moon Apr 19-26
N/A
SpinachN/AN/AFrost Feb 28-Mar 22
Moon Feb 28-Mar 7, Mar 21-22
Sweet PotatoesN/AN/AFrost May 3-17
Moon May 6-17
Swiss ChardFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Mar 22-29
Moon Mar 22-29
N/A
ThymeFrost Jan 31-Feb 28
Moon Jan 31-Feb 5, Feb 20-28
Frost Apr 12-May 3
Moon Apr 19-May 3
N/A
TomatoesFrost Feb 14-28
Moon Feb 20-28
Frost Apr 19-May 10
Moon Apr 19-May 5
N/A
TurnipsN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-20
WatermelonsFrost Mar 15-22
Moon Mar 21-22
Frost Apr 26-May 10
Moon Apr 26-May 5
N/A
Winter SquashN/AN/AFrost Apr 26-May 24
Moon Apr 26-May 5, May 19-24
ZucchiniN/AN/AFrost Apr 26-May 24
Moon Apr 26-May 5, May 19-24

Planting Dates for Fall

On average, your first fall frost occurs on October 28 (at WILMINGTON NEW CASTLE CO AP, DE climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 23
BeetsN/AN/AFrost Sep 13
Bell PeppersFrost May 15Frost Jul 10N/A
BroccoliFrost Jul 17Frost Aug 14N/A
CabbageFrost Jul 7Frost Aug 4N/A
CantaloupesN/AN/AFrost Jun 30
CarrotsN/AN/AFrost Sep 8
CauliflowerFrost Jul 17Frost Aug 14N/A
CeleryFrost May 6Frost Jul 15N/A
CornN/AN/AFrost Jul 20
CucumbersN/AN/AFrost Jul 25
EggplantsFrost May 15Frost Jul 10N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 29
Green BeansN/AN/AFrost Jul 25
Jalapeño PeppersFrost Jun 4Frost Jul 30N/A
KaleFrost Aug 6Frost Sep 3N/A
KohlrabiN/AN/AFrost Sep 8
LettuceN/AN/AFrost Sep 18
OkraN/AN/AFrost Jul 20
ParsnipsN/AN/AFrost Jul 25
PeasN/AN/AFrost Aug 24
PotatoesN/AN/AFrost Aug 14
PumpkinsN/AN/AFrost Jun 10
RadishesN/AN/AFrost Sep 23
SpinachN/AN/AFrost Oct 3
Sweet PotatoesFrost May 26Frost Jun 30N/A
Swiss ChardN/AN/AFrost Sep 18
TomatoesFrost May 20Frost Jul 15N/A
TurnipsN/AN/AFrost Sep 18
WatermelonsN/AN/AFrost Jun 30
Winter SquashN/AN/AFrost Jul 15
ZucchiniN/AN/AFrost Jul 30